Merge branch '5.0'

* 5.0:
  minor #35833 [FrameworkBundle] Add missing items in the unused tag pass whitelist (fabpot)
  [HttpClient][DX] Add URL context to JsonException messages
  [Routing] Improve localized routes performances
  [4.4][DoctrineBridge] Use new Types::* constants and support new json type
  [Validator] Add missing translations
  [Notifier] Dispatch message event in null transport
  [Messenger] Use Doctrine DBAL new Types::* constants

Author: nicolas-grekas

DependencyInjection/Compiler/UnusedTagsPass.php

@@ -58,7 +58,6 @@ class UnusedTagsPass implements CompilerPassInterface
         'mime.mime_type_guesser',
         'monolog.logger',
         'notifier.channel',
-        'notifier.transport_factory',
         'property_info.access_extractor',
         'property_info.initializable_extractor',
         'property_info.list_extractor',

Tests/DependencyInjection/Compiler/UnusedTagsPassUtils.php

@@ -15,7 +15,7 @@
 
 class UnusedTagsPassUtils
 {
-    public static function getDefinedTags(): array
+    public static function getDefinedTags()
     {
         $tags = [
             'proxy' => true,